D.C. Mun. Regs. tit. 16, r. 16-106
Except in series of sales transactions, each retail installment contract shall be contained in a single document, each page of which shall be signed by both the buyer and the seller.
At the top of the first page of the agreement, there shall be stated in at least twelve-point extra bold type the words "RETAIL INSTALLMENT CONTRACT."
If the printed terms of each contract are contained on both sides of a page, there shall appear on the first page the following words in boldface type: "NOTICE: SEE OTHER SIDE FOR IMPORTANT INFORMATION."
If the terms of a retail installment contract are contained on more than two (2) sides of each preceding page, the following words shall appear on each page in boldface type: "THE TERMS OF THIS CONTRACT ARE CONTAINED ON MORE THAN ONE PAGE."
D.C. Mun. Regs. tit. 16, r. 16-106